Imagine walking into your kitchen and instantly knowing if the fish you bought yesterday is still fresh—or entering an industrial site with sensors that immediately alert you to hazardous gas leaks.

Micro-light-emitting diodes (μLEDs) have garnered significant interest as light sources for gas sensors due to their advantages, such as room temperature operation and low power consumption. However, ...

A porous hydrogel composite prevents MXene collapse and rapid oxidation, creating a stable semiconducting network that ...

Ever since the discovery of carbon nanotubes in 1991, scientists have been trying to put the tiny cylinders to work. Now, researchers have incorporated them into a gas sensor for potential uses that ...